voacap - Initial ported of VOACAP script from unreleased version of EmComm Tools R2.

2026-09-17 15:41:44 -04:00 · 2025-08-16 15:42:14 -07:00
parent dac68c038c
commit e54df6de10
4 changed files with 306 additions and 0 deletions
@@ -0,0 +1,140 @@
+#!/bin/bash
+#
+# Author  : Gaston Gonzalez
+# Date    : 23 May 2023
+# Updated : 16 August 2025
+# Purpose : Offline HF prediction using voacapl
+
+if [[ $# -ne 4 ]]; then
+  echo "Usage $(basename $0) <callsign1> <callsign2> <power> <mode>"
+  echo "  <callsign1>   Callsign of transmitting station"
+  echo "  <callsign2>   Callsign of receiving station"
+  echo "  <power>       Output power [5|100|500|1500]"
+  echo "  <mode>        Mode         [AM|CW|FT8|SSB]"
+  exit 1
+fi
+
+ET_SSN="${HOME}/.local/share/emcomm-tools/voacap/ssn.txt"
+if [[ ! -e ${ET_SSN} ]]; then
+  "Sunspot numbers not available: ${ET_SSN}. Exiting"
+  exit 1
+fi
+
+ET_VOA_WORKING_DIR=$HOME/itshfbc/run
+ET_VOA_REPORT=${ET_VOA_WORKING_DIR}/voacapl.txt
+INP=${ET_VOA_WORKING_DIR}/voacapx.dat
+OUT=${ET_VOA_WORKING_DIR}/voacapx.out
+
+# Year = 2023
+YEAR=$(echo $(date '+%Y'))
+
+# Month (May) = 5.00
+MONTH=$(date +'%m')
+MONTH_FMT=$(date +'%-m.00')
+
+#######################################################################
+# TX Antenna
+#######################################################################
+
+TX_STATION=$1
+TX_JSON=tx-station.json
+curl -f -s http://localhost:1981/api/license?callsign=$TX_STATION > $TX_JSON
+TL=$(cat $TX_JSON | jq .lat)
+TK=$(cat $TX_JSON | jq .lon)
+
+TL1=$( awk -v n1=$TL -v n2=90 -v n3=-90 'BEGIN {if (n1<n3 || n1>n2) printf ("%s", "a"); else printf ("%.2f", n1);}' )
+
+# add North or South (N/S)
+TLA=$( awk -v n1=$TL1 -v n2=0 'BEGIN {if (n1<n2) { n1=substr(n1,2); printf ("%6sS", n1); } else printf ("%6sN", n1);}' )
+
+TK1=$( awk -v n1=$TK -v n2=180 -v n3=-180 'BEGIN {if (n1<n3 || n1>n2) printf ("%s", "a"); else printf ("%.2f", n1);}' )
+		    
+# add East or West (E/W)
+TLO=$( awk -v n1=$TK1 -v n2=0 'BEGIN {if (n1<n2) { n1=substr(n1,2); printf ("%7sW", n1); } else printf ("%7sE", n1);}' )
+
+
+#######################################################################
+# RX Antenna
+#######################################################################
+
+RX_STATION=$2
+RX_JSON=rx-station.json
+curl -f -s http://localhost:1981/api/license?callsign=$RX_STATION > $RX_JSON
+RL=$(cat $RX_JSON | jq .lat)
+RK=$(cat $RX_JSON | jq .lon)
+
+echo "RX ($RX_STATION):  $RL,$RK"
+RL1=$( awk -v n1=$RL -v n2=90 -v n3=-90 'BEGIN {if (n1<n3 || n1>n2) printf ("%s", "a"); else printf ("%.2f", n1);}' )
+
+# add North or South
+RLA=$( awk -v n1=$RL1 -v n2=0 'BEGIN {if (n1<n2) { n1=substr(n1,2); printf ("%6sS", n1); } else printf ("%6sN", n1);}' )
+
+RK1=$( awk -v n1=$RK -v n2=180 -v n3=-180 'BEGIN {if (n1<n3 || n1>n2) printf ("%s", "a"); else printf ("%.2f", n1);}' )
+
+# add East or West
+RLO=$( awk -v n1=$RK1 -v n2=0 'BEGIN {if (n1<n2) { n1=substr(n1,2); printf ("%7sW", n1); } else printf ("%7sE", n1);}' )
+
+# Power settings
+PWR=$3
+PW="0.0800"
+echo "TX Power: ${PWR} watts"
+if [ "$PWR" = "5" ]; then
+    PW="0.0040"
+elif [ "$PWR" = "100" ]; then
+    PW="0.0800"
+elif [ "$PWR" = "500" ]; then
+    PW="0.4000"
+elif [ "$PWR" = "1500" ]; then
+    PW="1.2000"
+fi
+
+# Mode
+MODE=$4
+MD="24.0"
+echo "Mode: ${MODE}"
+if [ "$MODE" = "FT8" ]; then
+    MD="13.0"
+elif [ "$MODE" = "CW" ]; then
+    MD="24.0"
+elif [ "$MODE" = "SSB" ]; then
+    MD="38.0"
+elif [ "$opt" = "AM" ]; then
+    MD="49.0"
+fi
+
+# Format for 117
+# NOTE: The card requires <SSN>. (117.)
+ssn=`grep "$YEAR $MONTH" ${ET_SSN} | awk '{print $5}' | cut -d"." -f1`
+
+# read more about fine-tuning your input file:
+# http://www.voacap.com/voacapw.html
+# http://www.voacap.com/frequency.html
+
+echo -e "\n"
+
+cat << END | tee $INP
+LINEMAX     999       number of lines-per-page
+COEFFS    CCIR
+TIME          1   24    1    1
+MONTH      $YEAR $MONTH_FMT
+SUNSPOT    $ssn.
+LABEL     $TX$RX
+CIRCUIT  $TLA  $TLO   $RLA  $RLO  S     0
+SYSTEM       1. 155. 3.00  90. $MD 3.00 0.10
+FPROB      1.00 1.00 1.00 0.00
+ANTENNA       1    1    2   30     0.000[samples/sample.00    ]  0.0    $PW
+ANTENNA       2    2    2   30     0.000[samples/sample.00    ]  0.0    0.0000
+FREQUENCY  3.60 5.30 7.1010.1014.1018.1021.1024.9028.20 0.00 0.00
+METHOD       30    0
+BOTLINES      8   12   21
+TOPLINES      1    2    3    4    6
+EXECUTE
+QUIT
+
+END
+
+voacapl -s ~/itshfbc
+echo "voacapl exited with $? using in=$INP and out=$OUT"
+
+(tail -n +27 $OUT | head -n 5 &&  grep -e'-  REL' $OUT && grep -e'-  S DBW' $OUT) | ./rel.pl > ${ET_VOA_REPORT}
+cat ${ET_VOA_REPORT}